AI cost calculator
Compare AI API pricing and monthly spend in one calculator
If you searched for an AI cost calculator, API cost calculator, or API pricing calculator, start here. Enter your token usage once, then compare per-request cost, daily spend, and monthly budget across 108+ models from 8 providers.
Pricing data last updated September 14, 2026
Best for budget planning
Use this page when you need a real monthly AI budget, not just a token price list. It turns prompt size, response size, and request volume into spend you can actually plan around.
Best for provider comparisons
Compare OpenAI, Claude, Gemini, DeepSeek, Mistral, Grok, and more with the same workload assumptions so you can spot the cheapest viable model instead of guessing from pricing pages.
Best for quick next steps
Need a deeper view after the calculator? Jump to the pricing table for raw rates or the model comparison pages for head-to-head choices.
Popular AI cost calculator paths
The highest-value follow-up clicks usually come from provider-specific pricing pages after you estimate the workload once.
AI cost calculator FAQ
What does this AI cost calculator measure?
It estimates cost per request, daily spend, and monthly AI API budget using your prompt tokens, response tokens, and request volume across every major provider.
Which models are included?
The calculator covers 108+ models from 8 providers including OpenAI, Anthropic Claude, Google Gemini, DeepSeek, Mistral, xAI, Meta, and Cohere.
What is the cheapest AI API right now?
GPT-5 nano is currently the lowest-cost starting point in this dataset at $0.05/1M input tokens. The real cheapest option still depends on how many output tokens your workflow generates.
Should I use this page or the pricing table?
Use this page when you want an actual cost estimate from your workload inputs. Use the pricing table when you want raw token rates, context windows, and side-by-side provider pricing without running the calculator.